Home / 94,715.30-130,724.06-56,477.31

Finding the Fourth Proportional to 94,715.30, 130,724.06 and 56,477.31

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Solution

The fourth proportional to 94,715.30, 130,724.06 and 56,477.31 is: 77,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,715.30 : 130,724.06 = 56,477.31 : x
  2. Step 2: Convert to fraction form
    94,715.30/130,724.06 = 56,477.31/x
  3. Step 3: Cross multiply
    94,715.30x = 130,724.06 × 56,477.31
  4. Step 4: Simplify right side
    94,715.30x = 7,382,943,261.08
  5. Step 5: Solve for x
    x = 7,382,943,261.08/94,715.30
  6. Step 6: Final answer
    x = 77,948.79

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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.