Home / 91,599.60-126,419.16-53,877.36

Finding the Fourth Proportional to 91,599.60, 126,419.16 and 53,877.36

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Solution

The fourth proportional to 91,599.60, 126,419.16 and 53,877.36 is: 74,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,599.60 : 126,419.16 = 53,877.36 : x
  2. Step 2: Convert to fraction form
    91,599.60/126,419.16 = 53,877.36/x
  3. Step 3: Cross multiply
    91,599.60x = 126,419.16 × 53,877.36
  4. Step 4: Simplify right side
    91,599.60x = 6,811,130,594.22
  5. Step 5: Solve for x
    x = 6,811,130,594.22/91,599.60
  6. Step 6: Final answer
    x = 74,357.65

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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.