Home / 56,897.13-78,517.98-31,746.63

Finding the Fourth Proportional to 56,897.13, 78,517.98 and 31,746.63

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Solution

The fourth proportional to 56,897.13, 78,517.98 and 31,746.63 is: 43,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,897.13 : 78,517.98 = 31,746.63 : x
  2. Step 2: Convert to fraction form
    56,897.13/78,517.98 = 31,746.63/x
  3. Step 3: Cross multiply
    56,897.13x = 78,517.98 × 31,746.63
  4. Step 4: Simplify right side
    56,897.13x = 2,492,681,259.41
  5. Step 5: Solve for x
    x = 2,492,681,259.41/56,897.13
  6. Step 6: Final answer
    x = 43,810.32

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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.