Home / 65,637.32-90,702.12-53,696.30

Finding the Fourth Proportional to 65,637.32, 90,702.12 and 53,696.30

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Solution

The fourth proportional to 65,637.32, 90,702.12 and 53,696.30 is: 74,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637.32 : 90,702.12 = 53,696.30 : x
  2. Step 2: Convert to fraction form
    65,637.32/90,702.12 = 53,696.30/x
  3. Step 3: Cross multiply
    65,637.32x = 90,702.12 × 53,696.30
  4. Step 4: Simplify right side
    65,637.32x = 4,870,367,792.65
  5. Step 5: Solve for x
    x = 4,870,367,792.65/65,637.32
  6. Step 6: Final answer
    x = 74,201.20

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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.