Home / 76,158.64-105,095.12-41,702.48

Finding the Fourth Proportional to 76,158.64, 105,095.12 and 41,702.48

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Solution

The fourth proportional to 76,158.64, 105,095.12 and 41,702.48 is: 57,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,158.64 : 105,095.12 = 41,702.48 : x
  2. Step 2: Convert to fraction form
    76,158.64/105,095.12 = 41,702.48/x
  3. Step 3: Cross multiply
    76,158.64x = 105,095.12 × 41,702.48
  4. Step 4: Simplify right side
    76,158.64x = 4,382,727,139.90
  5. Step 5: Solve for x
    x = 4,382,727,139.90/76,158.64
  6. Step 6: Final answer
    x = 57,547.34

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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.