Home / 94,088.93-130,029.37-77,066.21

Finding the Fourth Proportional to 94,088.93, 130,029.37 and 77,066.21

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Solution

The fourth proportional to 94,088.93, 130,029.37 and 77,066.21 is: 106,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,088.93 : 130,029.37 = 77,066.21 : x
  2. Step 2: Convert to fraction form
    94,088.93/130,029.37 = 77,066.21/x
  3. Step 3: Cross multiply
    94,088.93x = 130,029.37 × 77,066.21
  4. Step 4: Simplify right side
    94,088.93x = 10,020,870,867.00
  5. Step 5: Solve for x
    x = 10,020,870,867.00/94,088.93
  6. Step 6: Final answer
    x = 106,504.26

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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.