Home / 56,566.89-78,010.16-38,444.76

Finding the Fourth Proportional to 56,566.89, 78,010.16 and 38,444.76

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Solution

The fourth proportional to 56,566.89, 78,010.16 and 38,444.76 is: 53,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,566.89 : 78,010.16 = 38,444.76 : x
  2. Step 2: Convert to fraction form
    56,566.89/78,010.16 = 38,444.76/x
  3. Step 3: Cross multiply
    56,566.89x = 78,010.16 × 38,444.76
  4. Step 4: Simplify right side
    56,566.89x = 2,999,081,686.54
  5. Step 5: Solve for x
    x = 2,999,081,686.54/56,566.89
  6. Step 6: Final answer
    x = 53,018.32

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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.