Home / 94,775.79-130,813.02-54,512.81

Finding the Fourth Proportional to 94,775.79, 130,813.02 and 54,512.81

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Solution

The fourth proportional to 94,775.79, 130,813.02 and 54,512.81 is: 75,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,775.79 : 130,813.02 = 54,512.81 : x
  2. Step 2: Convert to fraction form
    94,775.79/130,813.02 = 54,512.81/x
  3. Step 3: Cross multiply
    94,775.79x = 130,813.02 × 54,512.81
  4. Step 4: Simplify right side
    94,775.79x = 7,130,985,631.82
  5. Step 5: Solve for x
    x = 7,130,985,631.82/94,775.79
  6. Step 6: Final answer
    x = 75,240.58

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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.