Home / 74,210.48-102,420.96-45,925.28

Finding the Fourth Proportional to 74,210.48, 102,420.96 and 45,925.28

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Solution

The fourth proportional to 74,210.48, 102,420.96 and 45,925.28 is: 63,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,210.48 : 102,420.96 = 45,925.28 : x
  2. Step 2: Convert to fraction form
    74,210.48/102,420.96 = 45,925.28/x
  3. Step 3: Cross multiply
    74,210.48x = 102,420.96 × 45,925.28
  4. Step 4: Simplify right side
    74,210.48x = 4,703,711,265.87
  5. Step 5: Solve for x
    x = 4,703,711,265.87/74,210.48
  6. Step 6: Final answer
    x = 63,383.38

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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.