Home / 76,852.07-115,430.04-46,518.50

Finding the Fourth Proportional to 76,852.07, 115,430.04 and 46,518.50

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Solution

The fourth proportional to 76,852.07, 115,430.04 and 46,518.50 is: 69,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,852.07 : 115,430.04 = 46,518.50 : x
  2. Step 2: Convert to fraction form
    76,852.07/115,430.04 = 46,518.50/x
  3. Step 3: Cross multiply
    76,852.07x = 115,430.04 × 46,518.50
  4. Step 4: Simplify right side
    76,852.07x = 5,369,632,473.48
  5. Step 5: Solve for x
    x = 5,369,632,473.48/76,852.07
  6. Step 6: Final answer
    x = 69,869.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.