Home / 81,582.90-112,583.70-45,772.14

Finding the Fourth Proportional to 81,582.90, 112,583.70 and 45,772.14

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Solution

The fourth proportional to 81,582.90, 112,583.70 and 45,772.14 is: 63,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582.90 : 112,583.70 = 45,772.14 : x
  2. Step 2: Convert to fraction form
    81,582.90/112,583.70 = 45,772.14/x
  3. Step 3: Cross multiply
    81,582.90x = 112,583.70 × 45,772.14
  4. Step 4: Simplify right side
    81,582.90x = 5,153,196,878.12
  5. Step 5: Solve for x
    x = 5,153,196,878.12/81,582.90
  6. Step 6: Final answer
    x = 63,165.16

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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.