Home / 70,197.16-105,368.64-46,985.80

Finding the Fourth Proportional to 70,197.16, 105,368.64 and 46,985.80

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Solution

The fourth proportional to 70,197.16, 105,368.64 and 46,985.80 is: 70,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,197.16 : 105,368.64 = 46,985.80 : x
  2. Step 2: Convert to fraction form
    70,197.16/105,368.64 = 46,985.80/x
  3. Step 3: Cross multiply
    70,197.16x = 105,368.64 × 46,985.80
  4. Step 4: Simplify right side
    70,197.16x = 4,950,829,845.31
  5. Step 5: Solve for x
    x = 4,950,829,845.31/70,197.16
  6. Step 6: Final answer
    x = 70,527.49

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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.