Home / 83,356.52-115,032.08-45,630.84

Finding the Fourth Proportional to 83,356.52, 115,032.08 and 45,630.84

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Solution

The fourth proportional to 83,356.52, 115,032.08 and 45,630.84 is: 62,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,356.52 : 115,032.08 = 45,630.84 : x
  2. Step 2: Convert to fraction form
    83,356.52/115,032.08 = 45,630.84/x
  3. Step 3: Cross multiply
    83,356.52x = 115,032.08 × 45,630.84
  4. Step 4: Simplify right side
    83,356.52x = 5,249,010,437.35
  5. Step 5: Solve for x
    x = 5,249,010,437.35/83,356.52
  6. Step 6: Final answer
    x = 62,970.60

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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.