Home / 88,688.80-133,045.35-29,518.30

Finding the Fourth Proportional to 88,688.80, 133,045.35 and 29,518.30

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Solution

The fourth proportional to 88,688.80, 133,045.35 and 29,518.30 is: 44,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.80 : 133,045.35 = 29,518.30 : x
  2. Step 2: Convert to fraction form
    88,688.80/133,045.35 = 29,518.30/x
  3. Step 3: Cross multiply
    88,688.80x = 133,045.35 × 29,518.30
  4. Step 4: Simplify right side
    88,688.80x = 3,927,272,554.91
  5. Step 5: Solve for x
    x = 3,927,272,554.91/88,688.80
  6. Step 6: Final answer
    x = 44,281.49

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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.