Home / 92,827.02-139,218.26-42,859.12

Finding the Fourth Proportional to 92,827.02, 139,218.26 and 42,859.12

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Solution

The fourth proportional to 92,827.02, 139,218.26 and 42,859.12 is: 64,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,827.02 : 139,218.26 = 42,859.12 : x
  2. Step 2: Convert to fraction form
    92,827.02/139,218.26 = 42,859.12/x
  3. Step 3: Cross multiply
    92,827.02x = 139,218.26 × 42,859.12
  4. Step 4: Simplify right side
    92,827.02x = 5,966,772,111.53
  5. Step 5: Solve for x
    x = 5,966,772,111.53/92,827.02
  6. Step 6: Final answer
    x = 64,278.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.