Home / 56,078.18-77,368.34-35,946.16

Finding the Fourth Proportional to 56,078.18, 77,368.34 and 35,946.16

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Solution

The fourth proportional to 56,078.18, 77,368.34 and 35,946.16 is: 49,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.18 : 77,368.34 = 35,946.16 : x
  2. Step 2: Convert to fraction form
    56,078.18/77,368.34 = 35,946.16/x
  3. Step 3: Cross multiply
    56,078.18x = 77,368.34 × 35,946.16
  4. Step 4: Simplify right side
    56,078.18x = 2,781,094,535.15
  5. Step 5: Solve for x
    x = 2,781,094,535.15/56,078.18
  6. Step 6: Final answer
    x = 49,593.17

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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.