Home / 94,335.71-130,077.02-72,776.48

Finding the Fourth Proportional to 94,335.71, 130,077.02 and 72,776.48

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Solution

The fourth proportional to 94,335.71, 130,077.02 and 72,776.48 is: 100,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,335.71 : 130,077.02 = 72,776.48 : x
  2. Step 2: Convert to fraction form
    94,335.71/130,077.02 = 72,776.48/x
  3. Step 3: Cross multiply
    94,335.71x = 130,077.02 × 72,776.48
  4. Step 4: Simplify right side
    94,335.71x = 9,466,547,176.05
  5. Step 5: Solve for x
    x = 9,466,547,176.05/94,335.71
  6. Step 6: Final answer
    x = 100,349.57

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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.