Home / 127,055.40-175,332.02-70,472.04

Finding the Fourth Proportional to 127,055.40, 175,332.02 and 70,472.04

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Solution

The fourth proportional to 127,055.40, 175,332.02 and 70,472.04 is: 97,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,055.40 : 175,332.02 = 70,472.04 : x
  2. Step 2: Convert to fraction form
    127,055.40/175,332.02 = 70,472.04/x
  3. Step 3: Cross multiply
    127,055.40x = 175,332.02 × 70,472.04
  4. Step 4: Simplify right side
    127,055.40x = 12,356,005,126.72
  5. Step 5: Solve for x
    x = 12,356,005,126.72/127,055.40
  6. Step 6: Final answer
    x = 97,248.96

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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.