Home / 91,437.04-126,199.56-53,713.36

Finding the Fourth Proportional to 91,437.04, 126,199.56 and 53,713.36

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Solution

The fourth proportional to 91,437.04, 126,199.56 and 53,713.36 is: 74,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,437.04 : 126,199.56 = 53,713.36 : x
  2. Step 2: Convert to fraction form
    91,437.04/126,199.56 = 53,713.36/x
  3. Step 3: Cross multiply
    91,437.04x = 126,199.56 × 53,713.36
  4. Step 4: Simplify right side
    91,437.04x = 6,778,602,398.12
  5. Step 5: Solve for x
    x = 6,778,602,398.12/91,437.04
  6. Step 6: Final answer
    x = 74,134.10

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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.