Home / 65,702.47-98,616.01-40,666.79

Finding the Fourth Proportional to 65,702.47, 98,616.01 and 40,666.79

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Solution

The fourth proportional to 65,702.47, 98,616.01 and 40,666.79 is: 61,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,702.47 : 98,616.01 = 40,666.79 : x
  2. Step 2: Convert to fraction form
    65,702.47/98,616.01 = 40,666.79/x
  3. Step 3: Cross multiply
    65,702.47x = 98,616.01 × 40,666.79
  4. Step 4: Simplify right side
    65,702.47x = 4,010,395,872.89
  5. Step 5: Solve for x
    x = 4,010,395,872.89/65,702.47
  6. Step 6: Final answer
    x = 61,038.74

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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.