Home / 76,554.08-105,507.40-62,261.32

Finding the Fourth Proportional to 76,554.08, 105,507.40 and 62,261.32

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Solution

The fourth proportional to 76,554.08, 105,507.40 and 62,261.32 is: 85,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554.08 : 105,507.40 = 62,261.32 : x
  2. Step 2: Convert to fraction form
    76,554.08/105,507.40 = 62,261.32/x
  3. Step 3: Cross multiply
    76,554.08x = 105,507.40 × 62,261.32
  4. Step 4: Simplify right side
    76,554.08x = 6,569,029,993.77
  5. Step 5: Solve for x
    x = 6,569,029,993.77/76,554.08
  6. Step 6: Final answer
    x = 85,809.01

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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.