Home / 56,030.48-77,360.08-39,234.32

Finding the Fourth Proportional to 56,030.48, 77,360.08 and 39,234.32

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Solution

The fourth proportional to 56,030.48, 77,360.08 and 39,234.32 is: 54,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.48 : 77,360.08 = 39,234.32 : x
  2. Step 2: Convert to fraction form
    56,030.48/77,360.08 = 39,234.32/x
  3. Step 3: Cross multiply
    56,030.48x = 77,360.08 × 39,234.32
  4. Step 4: Simplify right side
    56,030.48x = 3,035,170,133.95
  5. Step 5: Solve for x
    x = 3,035,170,133.95/56,030.48
  6. Step 6: Final answer
    x = 54,169.98

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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.