Home / 93,457.06-128,969.86-57,632.74

Finding the Fourth Proportional to 93,457.06, 128,969.86 and 57,632.74

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Solution

The fourth proportional to 93,457.06, 128,969.86 and 57,632.74 is: 79,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.06 : 128,969.86 = 57,632.74 : x
  2. Step 2: Convert to fraction form
    93,457.06/128,969.86 = 57,632.74/x
  3. Step 3: Cross multiply
    93,457.06x = 128,969.86 × 57,632.74
  4. Step 4: Simplify right side
    93,457.06x = 7,432,886,409.22
  5. Step 5: Solve for x
    x = 7,432,886,409.22/93,457.06
  6. Step 6: Final answer
    x = 79,532.64

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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.