Home / 83,239.02-114,870.36-45,513.30

Finding the Fourth Proportional to 83,239.02, 114,870.36 and 45,513.30

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Solution

The fourth proportional to 83,239.02, 114,870.36 and 45,513.30 is: 62,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.02 : 114,870.36 = 45,513.30 : x
  2. Step 2: Convert to fraction form
    83,239.02/114,870.36 = 45,513.30/x
  3. Step 3: Cross multiply
    83,239.02x = 114,870.36 × 45,513.30
  4. Step 4: Simplify right side
    83,239.02x = 5,228,129,155.79
  5. Step 5: Solve for x
    x = 5,228,129,155.79/83,239.02
  6. Step 6: Final answer
    x = 62,808.63

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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.