Home / 121,119.40-181,606.20-62,070.40

Finding the Fourth Proportional to 121,119.40, 181,606.20 and 62,070.40

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Solution

The fourth proportional to 121,119.40, 181,606.20 and 62,070.40 is: 93,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119.40 : 181,606.20 = 62,070.40 : x
  2. Step 2: Convert to fraction form
    121,119.40/181,606.20 = 62,070.40/x
  3. Step 3: Cross multiply
    121,119.40x = 181,606.20 × 62,070.40
  4. Step 4: Simplify right side
    121,119.40x = 11,272,369,476.48
  5. Step 5: Solve for x
    x = 11,272,369,476.48/121,119.40
  6. Step 6: Final answer
    x = 93,068.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.