Home / 96,391.08-133,020.36-56,128.32

Finding the Fourth Proportional to 96,391.08, 133,020.36 and 56,128.32

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Solution

The fourth proportional to 96,391.08, 133,020.36 and 56,128.32 is: 77,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,391.08 : 133,020.36 = 56,128.32 : x
  2. Step 2: Convert to fraction form
    96,391.08/133,020.36 = 56,128.32/x
  3. Step 3: Cross multiply
    96,391.08x = 133,020.36 × 56,128.32
  4. Step 4: Simplify right side
    96,391.08x = 7,466,209,332.60
  5. Step 5: Solve for x
    x = 7,466,209,332.60/96,391.08
  6. Step 6: Final answer
    x = 77,457.47

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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.