Home / 93,611.69-129,290.64-62,931.50

Finding the Fourth Proportional to 93,611.69, 129,290.64 and 62,931.50

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Solution

The fourth proportional to 93,611.69, 129,290.64 and 62,931.50 is: 86,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,611.69 : 129,290.64 = 62,931.50 : x
  2. Step 2: Convert to fraction form
    93,611.69/129,290.64 = 62,931.50/x
  3. Step 3: Cross multiply
    93,611.69x = 129,290.64 × 62,931.50
  4. Step 4: Simplify right side
    93,611.69x = 8,136,453,264.71
  5. Step 5: Solve for x
    x = 8,136,453,264.71/93,611.69
  6. Step 6: Final answer
    x = 86,917.07

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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.