Home / 86,368.44-119,239.02-56,612.28

Finding the Fourth Proportional to 86,368.44, 119,239.02 and 56,612.28

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Solution

The fourth proportional to 86,368.44, 119,239.02 and 56,612.28 is: 78,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,368.44 : 119,239.02 = 56,612.28 : x
  2. Step 2: Convert to fraction form
    86,368.44/119,239.02 = 56,612.28/x
  3. Step 3: Cross multiply
    86,368.44x = 119,239.02 × 56,612.28
  4. Step 4: Simplify right side
    86,368.44x = 6,750,392,787.17
  5. Step 5: Solve for x
    x = 6,750,392,787.17/86,368.44
  6. Step 6: Final answer
    x = 78,158.10

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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.