Home / 90,933.48-136,432.98-46,581.12

Finding the Fourth Proportional to 90,933.48, 136,432.98 and 46,581.12

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Solution

The fourth proportional to 90,933.48, 136,432.98 and 46,581.12 is: 69,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933.48 : 136,432.98 = 46,581.12 : x
  2. Step 2: Convert to fraction form
    90,933.48/136,432.98 = 46,581.12/x
  3. Step 3: Cross multiply
    90,933.48x = 136,432.98 × 46,581.12
  4. Step 4: Simplify right side
    90,933.48x = 6,355,201,013.34
  5. Step 5: Solve for x
    x = 6,355,201,013.34/90,933.48
  6. Step 6: Final answer
    x = 69,888.46

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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.