Home / 98,253.55-147,409.03-31,692.20

Finding the Fourth Proportional to 98,253.55, 147,409.03 and 31,692.20

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Solution

The fourth proportional to 98,253.55, 147,409.03 and 31,692.20 is: 47,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,253.55 : 147,409.03 = 31,692.20 : x
  2. Step 2: Convert to fraction form
    98,253.55/147,409.03 = 31,692.20/x
  3. Step 3: Cross multiply
    98,253.55x = 147,409.03 × 31,692.20
  4. Step 4: Simplify right side
    98,253.55x = 4,671,716,749.86
  5. Step 5: Solve for x
    x = 4,671,716,749.86/98,253.55
  6. Step 6: Final answer
    x = 47,547.56

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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.