Home / 83,601.02-115,349.10-47,303.12

Finding the Fourth Proportional to 83,601.02, 115,349.10 and 47,303.12

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Solution

The fourth proportional to 83,601.02, 115,349.10 and 47,303.12 is: 65,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,601.02 : 115,349.10 = 47,303.12 : x
  2. Step 2: Convert to fraction form
    83,601.02/115,349.10 = 47,303.12/x
  3. Step 3: Cross multiply
    83,601.02x = 115,349.10 × 47,303.12
  4. Step 4: Simplify right side
    83,601.02x = 5,456,372,319.19
  5. Step 5: Solve for x
    x = 5,456,372,319.19/83,601.02
  6. Step 6: Final answer
    x = 65,266.82

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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.