Home / 92,767.07-128,018.58-52,480.00

Finding the Fourth Proportional to 92,767.07, 128,018.58 and 52,480.00

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Solution

The fourth proportional to 92,767.07, 128,018.58 and 52,480.00 is: 72,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.07 : 128,018.58 = 52,480.00 : x
  2. Step 2: Convert to fraction form
    92,767.07/128,018.58 = 52,480.00/x
  3. Step 3: Cross multiply
    92,767.07x = 128,018.58 × 52,480.00
  4. Step 4: Simplify right side
    92,767.07x = 6,718,415,041.62
  5. Step 5: Solve for x
    x = 6,718,415,041.62/92,767.07
  6. Step 6: Final answer
    x = 72,422.41

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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.