Home / 91,637.04-126,463.68-55,821.36

Finding the Fourth Proportional to 91,637.04, 126,463.68 and 55,821.36

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Solution

The fourth proportional to 91,637.04, 126,463.68 and 55,821.36 is: 77,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.04 : 126,463.68 = 55,821.36 : x
  2. Step 2: Convert to fraction form
    91,637.04/126,463.68 = 55,821.36/x
  3. Step 3: Cross multiply
    91,637.04x = 126,463.68 × 55,821.36
  4. Step 4: Simplify right side
    91,637.04x = 7,059,374,608.20
  5. Step 5: Solve for x
    x = 7,059,374,608.20/91,637.04
  6. Step 6: Final answer
    x = 77,036.26

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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.