Home / 86,627.46-119,547.36-48,390.36

Finding the Fourth Proportional to 86,627.46, 119,547.36 and 48,390.36

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Solution

The fourth proportional to 86,627.46, 119,547.36 and 48,390.36 is: 66,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,627.46 : 119,547.36 = 48,390.36 : x
  2. Step 2: Convert to fraction form
    86,627.46/119,547.36 = 48,390.36/x
  3. Step 3: Cross multiply
    86,627.46x = 119,547.36 × 48,390.36
  4. Step 4: Simplify right side
    86,627.46x = 5,784,939,787.45
  5. Step 5: Solve for x
    x = 5,784,939,787.45/86,627.46
  6. Step 6: Final answer
    x = 66,779.52

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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.