Home / 86,316.04-119,153-58,038.16

Finding the Fourth Proportional to 86,316.04, 119,153 and 58,038.16

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Solution

The fourth proportional to 86,316.04, 119,153 and 58,038.16 is: 80,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,316.04 : 119,153 = 58,038.16 : x
  2. Step 2: Convert to fraction form
    86,316.04/119,153 = 58,038.16/x
  3. Step 3: Cross multiply
    86,316.04x = 119,153 × 58,038.16
  4. Step 4: Simplify right side
    86,316.04x = 6,915,420,878.48
  5. Step 5: Solve for x
    x = 6,915,420,878.48/86,316.04
  6. Step 6: Final answer
    x = 80,117.45

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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.