Home / 90,547.56-124,955.08-50,267.16

Finding the Fourth Proportional to 90,547.56, 124,955.08 and 50,267.16

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Solution

The fourth proportional to 90,547.56, 124,955.08 and 50,267.16 is: 69,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.56 : 124,955.08 = 50,267.16 : x
  2. Step 2: Convert to fraction form
    90,547.56/124,955.08 = 50,267.16/x
  3. Step 3: Cross multiply
    90,547.56x = 124,955.08 × 50,267.16
  4. Step 4: Simplify right side
    90,547.56x = 6,281,136,999.17
  5. Step 5: Solve for x
    x = 6,281,136,999.17/90,547.56
  6. Step 6: Final answer
    x = 69,368.37

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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.