Home / 85,680.16-118,234.73-47,437.00

Finding the Fourth Proportional to 85,680.16, 118,234.73 and 47,437.00

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Solution

The fourth proportional to 85,680.16, 118,234.73 and 47,437.00 is: 65,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680.16 : 118,234.73 = 47,437.00 : x
  2. Step 2: Convert to fraction form
    85,680.16/118,234.73 = 47,437.00/x
  3. Step 3: Cross multiply
    85,680.16x = 118,234.73 × 47,437.00
  4. Step 4: Simplify right side
    85,680.16x = 5,608,700,058.65
  5. Step 5: Solve for x
    x = 5,608,700,058.65/85,680.16
  6. Step 6: Final answer
    x = 65,460.90

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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.