Home / 86,904.74-119,878.44-51,088.16

Finding the Fourth Proportional to 86,904.74, 119,878.44 and 51,088.16

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Solution

The fourth proportional to 86,904.74, 119,878.44 and 51,088.16 is: 70,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904.74 : 119,878.44 = 51,088.16 : x
  2. Step 2: Convert to fraction form
    86,904.74/119,878.44 = 51,088.16/x
  3. Step 3: Cross multiply
    86,904.74x = 119,878.44 × 51,088.16
  4. Step 4: Simplify right side
    86,904.74x = 6,124,368,923.27
  5. Step 5: Solve for x
    x = 6,124,368,923.27/86,904.74
  6. Step 6: Final answer
    x = 70,472.21

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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.