Home / 124,455.06-171,762.69-70,748.13

Finding the Fourth Proportional to 124,455.06, 171,762.69 and 70,748.13

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Solution

The fourth proportional to 124,455.06, 171,762.69 and 70,748.13 is: 97,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,455.06 : 171,762.69 = 70,748.13 : x
  2. Step 2: Convert to fraction form
    124,455.06/171,762.69 = 70,748.13/x
  3. Step 3: Cross multiply
    124,455.06x = 171,762.69 × 70,748.13
  4. Step 4: Simplify right side
    124,455.06x = 12,151,889,121.27
  5. Step 5: Solve for x
    x = 12,151,889,121.27/124,455.06
  6. Step 6: Final answer
    x = 97,640.78

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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.