Home / 77,342.02-106,740.54-43,353.77

Finding the Fourth Proportional to 77,342.02, 106,740.54 and 43,353.77

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Solution

The fourth proportional to 77,342.02, 106,740.54 and 43,353.77 is: 59,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,342.02 : 106,740.54 = 43,353.77 : x
  2. Step 2: Convert to fraction form
    77,342.02/106,740.54 = 43,353.77/x
  3. Step 3: Cross multiply
    77,342.02x = 106,740.54 × 43,353.77
  4. Step 4: Simplify right side
    77,342.02x = 4,627,604,820.84
  5. Step 5: Solve for x
    x = 4,627,604,820.84/77,342.02
  6. Step 6: Final answer
    x = 59,833.00

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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.