Home / 94,168.02-129,897.58-56,420.40

Finding the Fourth Proportional to 94,168.02, 129,897.58 and 56,420.40

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Solution

The fourth proportional to 94,168.02, 129,897.58 and 56,420.40 is: 77,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,168.02 : 129,897.58 = 56,420.40 : x
  2. Step 2: Convert to fraction form
    94,168.02/129,897.58 = 56,420.40/x
  3. Step 3: Cross multiply
    94,168.02x = 129,897.58 × 56,420.40
  4. Step 4: Simplify right side
    94,168.02x = 7,328,873,422.63
  5. Step 5: Solve for x
    x = 7,328,873,422.63/94,168.02
  6. Step 6: Final answer
    x = 77,827.63

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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.