Home / 124,069.01-171,242.79-75,681.64

Finding the Fourth Proportional to 124,069.01, 171,242.79 and 75,681.64

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Solution

The fourth proportional to 124,069.01, 171,242.79 and 75,681.64 is: 104,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,069.01 : 171,242.79 = 75,681.64 : x
  2. Step 2: Convert to fraction form
    124,069.01/171,242.79 = 75,681.64/x
  3. Step 3: Cross multiply
    124,069.01x = 171,242.79 × 75,681.64
  4. Step 4: Simplify right side
    124,069.01x = 12,959,934,329.16
  5. Step 5: Solve for x
    x = 12,959,934,329.16/124,069.01
  6. Step 6: Final answer
    x = 104,457.47

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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.