Home / 94,690.74-130,626.40-61,965.78

Finding the Fourth Proportional to 94,690.74, 130,626.40 and 61,965.78

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Solution

The fourth proportional to 94,690.74, 130,626.40 and 61,965.78 is: 85,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.74 : 130,626.40 = 61,965.78 : x
  2. Step 2: Convert to fraction form
    94,690.74/130,626.40 = 61,965.78/x
  3. Step 3: Cross multiply
    94,690.74x = 130,626.40 × 61,965.78
  4. Step 4: Simplify right side
    94,690.74x = 8,094,366,111.46
  5. Step 5: Solve for x
    x = 8,094,366,111.46/94,690.74
  6. Step 6: Final answer
    x = 85,482.13

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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.