Home / 98,038.28-147,043.53-31,469.64

Finding the Fourth Proportional to 98,038.28, 147,043.53 and 31,469.64

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Solution

The fourth proportional to 98,038.28, 147,043.53 and 31,469.64 is: 47,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,038.28 : 147,043.53 = 31,469.64 : x
  2. Step 2: Convert to fraction form
    98,038.28/147,043.53 = 31,469.64/x
  3. Step 3: Cross multiply
    98,038.28x = 147,043.53 × 31,469.64
  4. Step 4: Simplify right side
    98,038.28x = 4,627,406,953.43
  5. Step 5: Solve for x
    x = 4,627,406,953.43/98,038.28
  6. Step 6: Final answer
    x = 47,200.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.