Home / 124,548.04-171,880.07-70,840.78

Finding the Fourth Proportional to 124,548.04, 171,880.07 and 70,840.78

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Solution

The fourth proportional to 124,548.04, 171,880.07 and 70,840.78 is: 97,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.04 : 171,880.07 = 70,840.78 : x
  2. Step 2: Convert to fraction form
    124,548.04/171,880.07 = 70,840.78/x
  3. Step 3: Cross multiply
    124,548.04x = 171,880.07 × 70,840.78
  4. Step 4: Simplify right side
    124,548.04x = 12,176,118,225.25
  5. Step 5: Solve for x
    x = 12,176,118,225.25/124,548.04
  6. Step 6: Final answer
    x = 97,762.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.