Home / 83,942.02-115,895.80-64,526.52

Finding the Fourth Proportional to 83,942.02, 115,895.80 and 64,526.52

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Solution

The fourth proportional to 83,942.02, 115,895.80 and 64,526.52 is: 89,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,942.02 : 115,895.80 = 64,526.52 : x
  2. Step 2: Convert to fraction form
    83,942.02/115,895.80 = 64,526.52/x
  3. Step 3: Cross multiply
    83,942.02x = 115,895.80 × 64,526.52
  4. Step 4: Simplify right side
    83,942.02x = 7,478,352,044.24
  5. Step 5: Solve for x
    x = 7,478,352,044.24/83,942.02
  6. Step 6: Final answer
    x = 89,089.50

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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.