Home / 86,641.02-130,029.57-44,519.40

Finding the Fourth Proportional to 86,641.02, 130,029.57 and 44,519.40

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Solution

The fourth proportional to 86,641.02, 130,029.57 and 44,519.40 is: 66,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,641.02 : 130,029.57 = 44,519.40 : x
  2. Step 2: Convert to fraction form
    86,641.02/130,029.57 = 44,519.40/x
  3. Step 3: Cross multiply
    86,641.02x = 130,029.57 × 44,519.40
  4. Step 4: Simplify right side
    86,641.02x = 5,788,838,438.66
  5. Step 5: Solve for x
    x = 5,788,838,438.66/86,641.02
  6. Step 6: Final answer
    x = 66,814.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.