Home / 94,437.32-130,312.68-54,140

Finding the Fourth Proportional to 94,437.32, 130,312.68 and 54,140

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Solution

The fourth proportional to 94,437.32, 130,312.68 and 54,140 is: 74,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,437.32 : 130,312.68 = 54,140 : x
  2. Step 2: Convert to fraction form
    94,437.32/130,312.68 = 54,140/x
  3. Step 3: Cross multiply
    94,437.32x = 130,312.68 × 54,140
  4. Step 4: Simplify right side
    94,437.32x = 7,055,128,495.20
  5. Step 5: Solve for x
    x = 7,055,128,495.20/94,437.32
  6. Step 6: Final answer
    x = 74,707.00

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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.