Home / 94,275.81-130,103.09-51,258.20

Finding the Fourth Proportional to 94,275.81, 130,103.09 and 51,258.20

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Solution

The fourth proportional to 94,275.81, 130,103.09 and 51,258.20 is: 70,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,275.81 : 130,103.09 = 51,258.20 : x
  2. Step 2: Convert to fraction form
    94,275.81/130,103.09 = 51,258.20/x
  3. Step 3: Cross multiply
    94,275.81x = 130,103.09 × 51,258.20
  4. Step 4: Simplify right side
    94,275.81x = 6,668,849,626.29
  5. Step 5: Solve for x
    x = 6,668,849,626.29/94,275.81
  6. Step 6: Final answer
    x = 70,737.65

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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.