Home / 83,574.81-115,332.56-45,334.26

Finding the Fourth Proportional to 83,574.81, 115,332.56 and 45,334.26

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Solution

The fourth proportional to 83,574.81, 115,332.56 and 45,334.26 is: 62,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,574.81 : 115,332.56 = 45,334.26 : x
  2. Step 2: Convert to fraction form
    83,574.81/115,332.56 = 45,334.26/x
  3. Step 3: Cross multiply
    83,574.81x = 115,332.56 × 45,334.26
  4. Step 4: Simplify right side
    83,574.81x = 5,228,516,034.83
  5. Step 5: Solve for x
    x = 5,228,516,034.83/83,574.81
  6. Step 6: Final answer
    x = 62,560.91

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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.