Home / 94,159.40-129,931.70-55,916.06

Finding the Fourth Proportional to 94,159.40, 129,931.70 and 55,916.06

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Solution

The fourth proportional to 94,159.40, 129,931.70 and 55,916.06 is: 77,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,159.40 : 129,931.70 = 55,916.06 : x
  2. Step 2: Convert to fraction form
    94,159.40/129,931.70 = 55,916.06/x
  3. Step 3: Cross multiply
    94,159.40x = 129,931.70 × 55,916.06
  4. Step 4: Simplify right side
    94,159.40x = 7,265,268,733.10
  5. Step 5: Solve for x
    x = 7,265,268,733.10/94,159.40
  6. Step 6: Final answer
    x = 77,159.25

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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.