Home / 105,602.13-145,614.20-67,301.06

Finding the Fourth Proportional to 105,602.13, 145,614.20 and 67,301.06

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Solution

The fourth proportional to 105,602.13, 145,614.20 and 67,301.06 is: 92,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,602.13 : 145,614.20 = 67,301.06 : x
  2. Step 2: Convert to fraction form
    105,602.13/145,614.20 = 67,301.06/x
  3. Step 3: Cross multiply
    105,602.13x = 145,614.20 × 67,301.06
  4. Step 4: Simplify right side
    105,602.13x = 9,799,988,946.48
  5. Step 5: Solve for x
    x = 9,799,988,946.48/105,602.13
  6. Step 6: Final answer
    x = 92,801.05

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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.