Home / 89,031.40-133,547.10-29,852.80

Finding the Fourth Proportional to 89,031.40, 133,547.10 and 29,852.80

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Solution

The fourth proportional to 89,031.40, 133,547.10 and 29,852.80 is: 44,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.40 : 133,547.10 = 29,852.80 : x
  2. Step 2: Convert to fraction form
    89,031.40/133,547.10 = 29,852.80/x
  3. Step 3: Cross multiply
    89,031.40x = 133,547.10 × 29,852.80
  4. Step 4: Simplify right side
    89,031.40x = 3,986,754,866.88
  5. Step 5: Solve for x
    x = 3,986,754,866.88/89,031.40
  6. Step 6: Final answer
    x = 44,779.20

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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.