Home / 96,588.24-133,368.84-64,784.40

Finding the Fourth Proportional to 96,588.24, 133,368.84 and 64,784.40

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Solution

The fourth proportional to 96,588.24, 133,368.84 and 64,784.40 is: 89,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,588.24 : 133,368.84 = 64,784.40 : x
  2. Step 2: Convert to fraction form
    96,588.24/133,368.84 = 64,784.40/x
  3. Step 3: Cross multiply
    96,588.24x = 133,368.84 × 64,784.40
  4. Step 4: Simplify right side
    96,588.24x = 8,640,220,278.10
  5. Step 5: Solve for x
    x = 8,640,220,278.10/96,588.24
  6. Step 6: Final answer
    x = 89,454.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.