Home / 91,889.02-137,538.15-47,455.12

Finding the Fourth Proportional to 91,889.02, 137,538.15 and 47,455.12

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Solution

The fourth proportional to 91,889.02, 137,538.15 and 47,455.12 is: 71,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,889.02 : 137,538.15 = 47,455.12 : x
  2. Step 2: Convert to fraction form
    91,889.02/137,538.15 = 47,455.12/x
  3. Step 3: Cross multiply
    91,889.02x = 137,538.15 × 47,455.12
  4. Step 4: Simplify right side
    91,889.02x = 6,526,889,412.83
  5. Step 5: Solve for x
    x = 6,526,889,412.83/91,889.02
  6. Step 6: Final answer
    x = 71,030.13

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1.5x scale

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.